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|  12 bolt cover 
			
			Refresh my memory , what year 12 bolt covers had the notch at 10:00 clock position.  Thanks Mike Never mind found the answerw  07-29-2014, 08:12 AM Ls6 Ragtop   Yenko Paid Member Join Date: Nov 2007 Location: MA Posts: 535 Thanks: 5 Thanked 6 Times in 6 Posts  Re: NOS 12 BOLT DIFF COVER The notched cover is correct for 70-72 12 bolt rears. That was a great deal for an NOS one. Last edited by m22mike; 10-22-2018 at 11:42 AM. | 
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			There was overlap use of the non notched cover in some early 1970 Chevelle assemblies. I've yet to see an original 1970 L-78 Chevelle with a notched. | 
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